121660622 has 4 divisors (see below), whose sum is σ = 182490936. Its totient is φ = 60830310.

The previous prime is 121660589. The next prime is 121660633. The reversal of 121660622 is 226066121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 226066121 = 263 ⋅859567.

It is a junction number, because it is equal to n+sod(n) for n = 121660591 and 121660600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30415154 + ... + 30415157.

It is an arithmetic number, because the mean of its divisors is an integer number (45622734).

Almost surely, 2^121660622 is an apocalyptic number.

121660622 is a deficient number, since it is larger than the sum of its proper divisors (60830314).

121660622 is an equidigital number, since it uses as much as digits as its factorization.

121660622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60830313.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 121660622 is about 11029.9873979982. The cubic root of 121660622 is about 495.5072472595.

The spelling of 121660622 in words is "one hundred twenty-one million, six hundred sixty thousand, six hundred twenty-two".